abstract |
The present invention describes the compounds (endo) -3- (2-cyano-2,2-diphenylethyl) -8,8-dimethyl-8-azoniabicyclo [3.2.1] octane bromide and (endo) -3- (2 -cyano-2,2-diphenylethyl) -8,8-dimethyl-8-azoniabicyclo [3.2.1] octane iodide and compositions containing these compounds. |